On Tue, 20 Sep 2016 19:47:07 -0700
Alexei Starovoitov <alexei.starovoi...@gmail.com> wrote:

> On Tue, Sep 20, 2016 at 11:08:44AM +0200, Jesper Dangaard Brouer via 
> iovisor-dev wrote:
> > Hi all,
> > 
> > As promised, I've started documenting the XDP eXpress Data Path):
> > 
> >  [1] 
> > https://prototype-kernel.readthedocs.io/en/latest/networking/XDP/index.html
> > 
> > IMHO the documentation have reached a stage where it is useful for the
> > XDP project, BUT I request collaboration on improving the documentation
> > from all. (Native English speakers are encouraged to send grammar fixes ;-))
> > 
> > You wouldn't believe it: But this pretty looking documentation actually
> > follows the new Kernel documentation format.  It is actually just
> > ".rst" text files stored in my github repository under kernel/Documentation 
> > [2]
> > 
> >  [2] 
> > https://github.com/netoptimizer/prototype-kernel/tree/master/kernel/Documentation
> >   
> Thanks so much for doing it. This is great start!
> Some minor editing is needed here and there.
> To make it into official doc do you mind preparing a patch for Jon's doc tree 
> ?
> If you think the doc is too volatile and not suitable for kernel.org,
> another alternative is to host it on https://github.com/iovisor
> since it's LF collaborative project it won't disappear suddenly.
> You can be a maintainer of that repo if you like.

I do see this as kernel documentation that eventually should end-up in
Jon's doc tree.  Right now it is too volatile.  Once XDP have
"stabilized" some more, I plan to push/submit the *relevant* pieces
into the kernel.  E.g. I plan to have a "proposals" section, which is
not meant upstream doc as it is an intermediate specification step
before implementing, after which it should move to another doc section.
Likewise some of the use-case documents might be "rejected" before
reaching upstream doc.

The reason I've not created a separate repository for XDP doc only, is
because I also plan to document other parts of the kernel in this
repo[3], not just XDP.  Like my page_pool work.  The documentation is
not really official documentation before it reach a kernel git tree,
together with the code it documents.

I hope this approach can help us document while developing, and
turn email discussions into specifications.  Like I forgot the
XDP_ABORTED not warning argument, which you had to re-iterate, but now
it is documented[4][5].

Best regards,
  Jesper Dangaard Brouer
  MSc.CS, Principal Kernel Engineer at Red Hat
  Author of http://www.iptv-analyzer.org
  LinkedIn: http://www.linkedin.com/in/brouer

[3] https://github.com/netoptimizer/prototype-kernel/
[4] https://github.com/netoptimizer/prototype-kernel/commit/a4e60e2d7a894
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